Base | Representation |
---|---|
bin | 10000110101111010… |
… | …101010110100101000 |
3 | 1201200100001210211100 |
4 | 100311322222310220 |
5 | 244014104111014 |
6 | 12150300201400 |
7 | 1210102133622 |
oct | 206572526450 |
9 | 51610053740 |
10 | 18084441384 |
11 | 7740217529 |
12 | 3608539260 |
13 | 19228873b9 |
14 | c37b2bc12 |
15 | 70c9d8009 |
hex | 435eaad28 |
18084441384 has 96 divisors (see below), whose sum is σ = 49329582120. Its totient is φ = 5985128448.
The previous prime is 18084441377. The next prime is 18084441457. The reversal of 18084441384 is 48314448081.
18084441384 is a `hidden beast` number, since 1 + 80 + 84 + 4 + 413 + 84 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3083580900 + 15000860484 = 55530^2 + 122478^2 .
It is a super-3 number, since 3×180844413843 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6241024 + ... + 6243920.
Almost surely, 218084441384 is an apocalyptic number.
It is an amenable number.
18084441384 is an abundant number, since it is smaller than the sum of its proper divisors (31245140736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18084441384 is a wasteful number, since it uses less digits than its factorization.
18084441384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3499 (or 3492 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 45.
The spelling of 18084441384 in words is "eighteen billion, eighty-four million, four hundred forty-one thousand, three hundred eighty-four".
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